2. Heart
The heart is a muscular organ, which
pumps blood through the blood
vessels of the circulatory system.
Blood provides the body with oxygen
and nutrients, as well as assists in the
removal of metabolic wastes.The
heart pumps blood with a rhythm
determined by a group of pacemaking
cells in the sinoatrial node.
3. Prevent Heart Disease
• Eat healthy fats.
• Practice good dental hygiene.
• Get enough sleep.
• Don’t sit for too long at one time.
• Avoid secondhand smoke like the plague.